TABLE 2.

Amino acid variations in outer membrane protein A (OmpA) between Rickettsia felis, R. felis 04, and R. felis Mexican field-collected source^*

	Amino acid position
	6	170	242	345	355	957	1154
R. felis†	L	G	P	N	I	G	V
R. felis 04†	L	G	S	S	V	D	A
R. felis Mexican§	P	A	-	-	-	-	-

^*The positions indicated correspond to the amino acid position from the first methionine (position 1). A filled circle indicates homology, and dashes the unknown aa composition in the R. felis Mexican ompA sequence. - = sequence not available.

^†R. felis GenBank accession number AF191026.

^‡R. felis 04 GenBank accession number AY727036.

^§R. felis Mexican GenBank accession number AJ563398.